Home / 994,475.70-1,491,823.71-354,928.59

Finding the Fourth Proportional to 994,475.70, 1,491,823.71 and 354,928.59

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Solution

The fourth proportional to 994,475.70, 1,491,823.71 and 354,928.59 is: 532,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,475.70 : 1,491,823.71 = 354,928.59 : x
  2. Step 2: Convert to fraction form
    994,475.70/1,491,823.71 = 354,928.59/x
  3. Step 3: Cross multiply
    994,475.70x = 1,491,823.71 × 354,928.59
  4. Step 4: Simplify right side
    994,475.70x = 529,490,885,918.87
  5. Step 5: Solve for x
    x = 529,490,885,918.87/994,475.70
  6. Step 6: Final answer
    x = 532,432.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.